CD 639.3: Russia

8 1/2" X 5 5/8"  (216mm X 143mm)

 

(inside groove between inner/outer skirt) ШС 20 E Д 7 20

                                                             ШС-10-12 . S-CC-1V

(crown) C1

 

Picture courtesy Nathan Holmes

This is a modern glass power insulator from Russia or Ukraine.

CD assignment by Dario Dimare November 2021.


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